Distance-based electronic toll collecting system establishes gantries between any two interchanges on the main line. There are a total of 333 gantries. The utilization rate and eTag installation rate have gradually increased since the implementation of distance-based toll collection on December 31, 2013. Now the utilization rate has reached 93% and the installation rate has also reached 87%.

Now the electronic toll collecting system can process about 16 million transactions a day in average, the vehicle detection accuracy rate has reached 99.9% while the tolling accuracy rate can even reach 99.97%, the highest standards compared with other country worldwide. The operating status shows in the following table.